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39
Madrepora
cytherea
( non cytbeua
1925. HOFFMEISTER, 62, pI. 1l/!3- c.
19l2, THIEL, 121,pls. 18/ 2, 19/ 2.
1954, ROSSI , 48, pI. 6/ 1.
1954, WELLS, 420 , pis. 116/l - 6 , 11711 . 2.
1967, SCHEER, 424.
1971 , LOVA & SLOBODK1N, 12l.
1974, MERGNER & SCHUHMACHER , 264.
1980, HEAD, 148,44l.
1879, K LUNZINGER 2, 25 , pis. 214 .. b, 4/2, 9/ 20.
1846, DANA. 44I , pl. J2Il"b.)
A. corymbosa and A. hyacinthus are said ro be common in Red Sea as is the case in several other parts
of the Indo-Pacific. Young colonies of these are often very difficult ro separate, especially in view of the
wide skeletal variation displayed. However, fu lly developed adult coralla of these twO species differ in
the following respects:
A. corymbosa A. hyacinthus
Radials about 2 or more mm in diameter, labellate,
round-lipped, spreading 45 ro 60·, length average
2mm.
Radials aboul 1.5 mm in diameter, appressed , ascending
lips not always rounded, length 2 ro 4 mm .
We have studied EHRENBERG's speci mens in Berlin Museum (Nos. 882 and 884 ). The present material
includes many coralla which we place under A. corymbosa, they are either entire colo nies or parts of vasiform
ones.
We are fo llowi ng MARENZELLER (1906) in merging KLUNZINGER 'S cytherea (non DANA's cytherea)
with A. corymbosa. KLUNZINGER reports o n long- and thin-lipped calices of his cytherea (2, 1879, pI. 9,
fig . 20b). We have found , as MARE NZE LLER, transitional forms between A. corymbosa and KLUNZINGER 's
cytherea, for example EC 134 and also some specimens in the collection SCHUHMACHER. Another coral,
SCHUHMACHER No. 83, shows a great ma ny of calices with lo ng and acute lips.
M a t e ri a l:
Gulf of Suez:
Gulf o f Aqaba :
orthern R. S.:
Central R. S.:
J erus.
T. Aviv
Jerus.
T . Aviv
USNM
HLM
SLR
S
SLR
NS
Wa
EC
2249- 2 , 2938- 1, 3040 (Ras el Misalla); 2144-1 , 2158- 1, 2 (Et Tur).
8425 (Ras Matarma).
1064 (Fara'un Isl.); 389b (Marsa Murach) ; 450- 1,2 (El Kura) .
231 , 232 , 1280- 1, 2, 1342 , 1367 (Eilat); 4909 (Wassit );
4827 (Ras Atantur); 51 24 (Shurat el Manqata).
13 (Ghardaqa)
425 (Shadwan Isl. ); 54 (Koseir, duplicate from KLUNZINGER);
285,508 (Ras Abu Hagar).
P. Sud. Sa 28 (Sanganeb R.).
Schuhmacher 83 (Sa nganeb R.).
HLM EC 134 (Sa nganeb R.) ; 1369 (Djiddah).
RM 7 , 6 3, 114 (Wingate R.).
Southern R . S.: HLM X2 : 9- 9 (Sarso Isl.).
Dis t rib uti 0 n : Red Sea, throughout Indo-Pacific as for east as Tuamotu Archipelago.
A cropora hyacintbus (DANA), 1846
( Plat~ 6, Fig. 7; Plat~ 1, Fig. 4)
MadreportJ
Acropora
Madrepora
byacinlbus 1846 . DANA, 444; pI. 32/2 (Typt: locaJiry : Fiji).
1893, BROOK, 107 (synonymy).
byaci,ubus 1925. HOFFMEISTE R, 64: pi s. 1313 ; 14/ 1a- d.
1954 , WELLS, 421 i pis. 118/3. 4-; 12013- 5.
1971. LOVA & SLOBODKIN. 123.
1976, PI LLAI & SCHEER. 29.
1978, WALLACE. 288; pis. 63 ; 64A-C; 65: 66/ A. 8 (synonymy),
arcuata 1893, BROOK, 102; pI. 12.
armata 1893, BROOK , 68; pI. 4 /A. B.